<template>
  <div class="xtx-cart-page">
    <div class="container">
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem>购物车</XtxBreadItem>
      </XtxBread>
      <div class="cart">
        <table>
          <!-- 表头 -->
          <thead>
          <tr>
            <th style="{width:120px}">
              <XtxCheckBox @change="checkAll" :modelValue="cartStore.isCheckAll()">全选</XtxCheckBox>
            </th>
            <th style="{width:400px}">商品信息</th>
            <th style="{width:220px}">单价</th>
            <th style="{width:180px}">数量</th>
            <th style="{width:180px}">小计</th>
            <th style="{width:140px}">操作</th>
          </tr>
          </thead>
          <!-- 有效商品，表格数据 -->
          <tbody>
          <tr v-if="cartStore.validList.length === 0">
            <td colspan="6">
              <CartNone/>
            </td>
          </tr>
          <tr v-for="item in cartStore.validList" :key="item.skuId">
            <td>
              <XtxCheckBox @change="(event) => checkOne(item.skuId, event)" :modelValue="item.selected"/>
            </td>
            <td>
              <div class="goods">
                <RouterLink :to="`/product/${item.id}`">
                  <img :src="item.picture" alt="">
                </RouterLink>
                <div>
                  <p class="name ellipsis">{{ item.name }}</p>
                  <!-- 选择规格组件 -->
                  <CartSku @change="event => updateCartSku(item.skuId, event)" :attrsText="item.attrsText" :skuId="item.skuId"/>
                </div>
              </div>
            </td>
            <td class="tc">
              <p>&yen;{{ item.nowPrice }}</p>
              <p v-if="item.price - item.nowPrice > 0">比加入时降价 <span class="red">&yen;{{
                  item.price - item.nowPrice
                }}</span></p>
            </td>
            <td class="tc">
              <XtxNumBox :max="item.stock" @change="event => changeCount(item.skuId, event)" :modelValue="item.count"/>
            </td>
            <td class="tc"><p class="f16 red">&yen;{{ item.nowPrice * 100 * item.count / 100 }}</p></td>
            <td class="tc">
              <p><a href="javascript:;">移入收藏夹</a></p>
              <p><a @click="deleteCart(item.skuId)" class="green" href="javascript:;">删除</a></p>
              <p><a href="javascript:;">找相似</a></p>
            </td>
          </tr>
          </tbody>
          <!-- 无效商品 -->
          <tbody v-if="cartStore.validList.length > 0">
          <tr>
            <td colspan="6"><h3 class="tit">失效商品</h3></td>
          </tr>
          <tr v-for="item in cartStore.validList" :key="item.skuId">
            <td>
              <XtxCheckBox style="color:#eee;"/>
            </td>
            <td>
              <div class="goods">
                <RouterLink to="/">
                  <img :src="item.picture" alt="">
                </RouterLink>
                <div>
                  <p class="name ellipsis">{{ item.name }}</p>
                  <p class="attr">{{ item.attrsText }}</p>
                </div>
              </div>
            </td>
            <td class="tc"><p>&yen;{{ item.nowPrice }}</p></td>
            <td class="tc">{{ item.count }}</td>
            <td class="tc"><p>&yen;{{ item.nowPrice * 100 * item.count / 100 }}</p></td>
            <td class="tc">
              <p><a @click="deleteCart(item.skuId)" class="green" href="javascript:">删除</a></p>
              <p><a href="javascript:">找相似</a></p>
            </td>
          </tr>
          </tbody>
        </table>
      </div>
      <!-- 操作栏 -->
      <div class="action">
        <div class="batch">
          <XtxCheckBox @change="checkAll" :modelValue="cartStore.isCheckAll()">全选</XtxCheckBox>
          <a @click="batchDeleteCart()" href="javascript:">删除商品</a>
          <a href="javascript:;">移入收藏夹</a>
          <a @click="batchDeleteCart(true)" href="javascript:">清空失效商品</a>
        </div>
        <div class="total">
          共 7 件商品，已选择 2 件，商品合计：
          <span class="red">¥400</span>
          <XtxButton @click="goCheckout()" type="primary">下单结算</XtxButton>
        </div>
      </div>
      <!-- 猜你喜欢 -->
      <GoodRelevant/>
    </div>
  </div>
</template>
<script>
import GoodRelevant from '@/views/goods/components/goods-relevant.vue'
import {useCartStore} from "@/store/modules/cart";
import { useUserStore } from "@/store/modules/user";
import message from "@/components/library/message";
import {useRouter} from "vue-router";
import CartNone from '@/views/cart/components/cart-none.vue'
import CartSku from "@/views/cart/components/cart-sku.vue";
import Confirm from '../../components/library/confirm'

export default {
  name: 'CartPage',
  components: {GoodRelevant, CartNone, CartSku},
  setup() {
    const cartStore = useCartStore()
    const userStore = useUserStore()
    const router = useRouter()

    const checkOne = (skuId, selected) => {
      cartStore.updateCart({skuId, selected})
    }

    const checkAll = async (selected) => {
      await cartStore.checkAllCart(selected)
    }

    const deleteCart = async (skuId) => {
      try {
        await Confirm({text:'您确定从购物车删除该商品吗'})
        await cartStore.deleteCart(skuId)
      }catch (e) {
        //
      }
    }

    const batchDeleteCart = async (isClear) => {
      try {
        await Confirm({text:`您确定从购物车删除${isClear ? '失效' : '选中'}的商品吗?`})
        await cartStore.batchDeleteCart(isClear)
      }catch (e) {
        //
      }
    }

    const changeCount = async (skuId, count) => {
      await cartStore.updateCart({skuId, count})
    }

    // 修改规格
    const updateCartSku = async (oldSkuId, newSku) => {
      await cartStore.updateCartSku({oldSkuId, newSku})
    }

    const goCheckout = () => {
      if(cartStore.selectedTotal === 0) return message({text:'至少选中一件商品才能结算'})
      if(!userStore.profile.token) {
        Confirm({text:'下单结算需要登录，您是否去登录？'}).then(()=>{
          router.push('/member/checkout')
        }).catch(e=>e)
      }else {
        router.push('/member/checkout')
      }
    }

    return {
      cartStore,
      checkOne,
      checkAll,
      deleteCart,
      batchDeleteCart,
      changeCount,
      updateCartSku,
      goCheckout
    }
  }
}
</script>
<style scoped lang="less">
.tc {
  text-align: center;

  .xtx-numbox {
    margin: 0 auto;
    width: 120px;
  }
}

.red {
  color: @priceColor;
}

.green {
  color: @xtxColor
}

.f16 {
  font-size: 16px;
}

.goods {
  display: flex;
  align-items: center;

  img {
    width: 100px;
    height: 100px;
  }

  > div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;

    .attr {
      font-size: 14px;
      color: #999;
    }
  }
}

.action {
  display: flex;
  background: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;

  .xtx-checkbox {
    color: #999;
  }

  .batch {
    a {
      margin-left: 20px;
    }
  }

  .red {
    font-size: 18px;
    margin-right: 20px;
    font-weight: bold;
  }
}

.tit {
  color: #666;
  font-size: 16px;
  font-weight: normal;
  line-height: 50px;
}

.xtx-cart-page {
  .cart {
    background: #fff;
    color: #666;

    table {
      border-spacing: 0;
      border-collapse: collapse;
      line-height: 24px;

      th, td {
        padding: 10px;
        border-bottom: 1px solid #f5f5f5;

        &:first-child {
          text-align: left;
          padding-left: 30px;
          color: #999;
        }
      }

      th {
        font-size: 16px;
        font-weight: normal;
        line-height: 50px;
      }
    }
  }
}
</style>